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#include<iostream>
#include<fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int t[9],i,j,n,m;
void back(int k)
{
if(k==n)
{
for(int i=1;i<=n;i++)g<<t[i]<<' ';
g<<'\n';
}
else
{
for(int i=1;i<=n;i++)
{
int ok=1;
for(int j=1;j<=k&&ok;j++)
if(t[j]==i)ok=0;
if(ok==1)
{
t[k+1]=i;
back(k+1);
}
}
}
}
int main()
{
f>>n;
back(0);
g.close();
return 0;
}